Add French messages

[patfrat]

add fr resources, so that the UI could show French translations.

[codecov-io]

Codecov Report

Merging #1325 into 1.3.x will decrease coverage by 0.32%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##              1.3.x   #1325      +/-   ##
===========================================
- Coverage     24.02%   23.7%   -0.33%     
  Complexity      849     849              
===========================================
  Files           209     209              
  Lines         11665   11664       -1     
  Branches       2116    2116              
===========================================
- Hits           2803    2765      -38     
- Misses         8385    8422      +37     
  Partials        477     477

Impacted Files	Coverage Δ	Complexity Δ
...d/connect/service/impl/MITREidDataService_1_0.java	56.5% <0%> (-1.65%)	90% <0%> (ø)
...d/connect/service/impl/MITREidDataService_1_1.java	55.66% <0%> (-1.62%)	90% <0%> (ø)
...d/connect/service/impl/MITREidDataService_1_2.java	57.06% <0%> (-1.42%)	85% <0%> (ø)
...d/connect/service/impl/MITREidDataService_1_3.java	63.87% <0%> (-0.91%)	108% <0%> (ø)
.../impl/DefaultOAuth2ClientDetailsEntityService.java	59.35% <0%> (-0.27%)	38% <0%> (ø)
...tre/openid/connect/config/ServerConfiguration.java	5.54% <0%> (-0.25%)	14% <0%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 0b1f900...d13e21d. Read the comment docs.