doc/roadmap.md: updates

Vu en partie avec @flothoni

doc/roadmap.md

 # Roadmap
 
 The development of the Vidjil platform is tracked with [gitlab](http://gitlab.vidjil.org).
-As of 2020, there are more than 1500 [open issues](http://gitlab.vidjil.org/issues), 
-but also more than 1500 closed issues.
+As of 2021, there are more than 1500 [open issues](http://gitlab.vidjil.org/issues),
+but also... more than 2000 closed issues.
 Issues can be either in English or in French.
 
 This roadmap is focused on user-facing features, even if many items involve more backend changes,
@@ -43,14 +43,14 @@ with software engineering.
  - Implement better repertoire comparisons #3857 #3855
 
  - Build another dedicated tool for full repertoire comparison (app-stats)
-    + **Development: ongoing in 2020-21** 🚧 @flothoni
-    + Beta: Q2 2021
+    + **Development: ongoing in Q4 2021** 🚧 @flothoni
+    + Beta: Q1 2022
 
 ## Better tools for MRD analysis
 
  - Run custom scripts for MRD #3838
-    + **Beta: Q4 2020** for #3846  ✅ @flothoni @meidanis
-    + Availability: Q1 2021, contact us to set up your MRD scenarios
+    + Beta: Q4 2020 for #3846  ✅  @flothoni @meidanis
+    + **Available since 2021**, ✅  contact us to set up your MRD scenarios
 
  - Better display MRD data in the web platform
 
@@ -58,30 +58,30 @@ with software engineering.
 ## Analysis of data with UMI, single-cell and/or paired chains
 
  - Provide more tools to analyze UMI data (demultiplexing to handle UMI) #2309
-    + **Development: since 2020** 🚧 @flothoni
-    + Beta: Q2 2021
+    + Initial steps in 2020
+    + Experimental configurations are available, contact us to setup UMI scenarios  🚧 @flothoni
+    + Beta: 2021
  - Provide specific tools to analyze single cell data and/or paired chains data #2344
  
 ## Better sequence analysis
 
  - Show more sequence features (such as FR1...) in the sequence aligner #2135
-    + **Development: Q4 2020** 🚧 @duez
-    + Beta: Q1 2021**
+    + **Available since Q2 2021**, ✅
 
  - Improve links to third-service analyses: ArrestSubsets #3917 ✅, VDJdb #1880
 
  - Improve the alignment between sequences #3332
 
  - Estimate clone lengths according to different primer sets #2043
-    + Development: Q1 2021 ⏳ @flothoni
+    + **Available since Q2 2021**, ✅
 
 ## Server: statistics, including quality control, on a set of samples
 
  - Provide statistics given a set on samples #3171
 
  - Provide a quality control, for example on a run #2175
-    + **Development: since Q3 2019** 🚧 @mikael-s @duez
-    + Beta: Q1 2021
+    + **Development ongoing** 🚧 @mikael-s @duez
+    + Beta: Q2 2022
 
 
 ## Improved and extended analysis of some recombinations
@@ -126,13 +126,13 @@ They often require development or refactor work.
     + **Availability: Q2 2020** ✅
 
   - Better API documentation
-    + Development: Q1 2021 ⏳ @magiraud
+    + Development: 2022 ⏳ @magiraud
 
  - More integration with IMGT/HighV-Quest
     + Ongoing collaboration with IMGT
 
  - More flexible exports (reports, image) #2233
-    + Development: Q2 2021 ⏳ @duez
+    + Developmen: Q4 2021 🚧  @duez
 
 
        
@@ -143,10 +143,10 @@ They often require development or refactor work.
     + 2020-21: ongoing work on Aho-Corasick automaton 🚧
 
  - Speed-up the web client, especially when 10+ samples and/or 1000+ clones are displayed #3903 #2196 #2462
-    + Q4 2020, ... 🚧
+    + since 2020 ... 🚧
 
  - Speed-up the web server, especially when handling 1000+ samples #3169
-    + Q4 2020, ... 🚧
+    + since 2020 ... 🚧
 
 These points are always ongoing:
 We often work on backend changes that eventually improve the efficiency on the platform.
@@ -163,13 +163,12 @@ We often work on backend changes that eventually improve the efficiency on the p
     + New view(s) for comparing many samples #3895
 
  - Redesign the interface, improve the design #2245 #4600
-    + Development (sequence analyzer): Q4 2020-Q1 2021 🚧 @duez
+    + Development (sequence analyzer): Available since Q2 2021  ✅
     + Development (clone information)
-    + Brainstorming on new view: Q2-Q3 2021 ⏳
+    + Brainstorming on new view: 2022 ⏳
 
  - Refactor the axis framework:
-    + 2020 ✅
-    + New axes: Q2 2021 ⏳ @flothoni
+    + 2020, new axes in 2021 ✅
 
  - Improve the URLs
     + **Availability: Q3-Q4 2020** ✅
@@ -180,7 +179,7 @@ We often work on backend changes that eventually improve the efficiency on the p
 
  - Make the [VidjilNet Consortium](http://www.vidjil.net) grow
     + Expand the community, make more members join
-    + Setup health-data (HDS, RGPD) provider: Q3 2020 ✅
+    + Setup [healthcare data hosting](http://www.vidjil.org/healthcare) (HDS, RGPD): Q3 2020 ✅
     + Regularly take into account user requests
 
  - Organize regularly Vidjil Workshops
@@ -189,7 +188,7 @@ We often work on backend changes that eventually improve the efficiency on the p
       [2017](http://www.vidjil.org/workshop-2017),
       [2019](http://www.vidjil.org/workshop-2019), 
       special edition [2020](http://vidjil.org/workshop-2020) ✅,
-      [2021](http://vidjil.org/workshop-2021) 🚧
+      [2022](http://vidjil.org/workshop-2022) 🚧
 
  - Help the hospitals to get certification
     + First documents in 2020 for french COFRAC 🚧