feat: Join public courses

[orronai]

• Added a html template page
• Added tests
• Added translations
• Added the logic of the public courses

[codecov]

Codecov Report

Merging #328 (df95c99) into master (f3ed156) will decrease coverage by 0.13%.
The diff coverage is 68.18%.

@@            Coverage Diff             @@
##           master     #328      +/-   ##
==========================================
- Coverage   84.08%   83.94%   -0.14%     
==========================================
  Files          63       63              
  Lines        2903     2940      +37     
==========================================
+ Hits         2441     2468      +27     
- Misses        462      472      +10     

Impacted Files	Coverage Δ
lms/lmsdb/bootstrap.py	15.45% <0.00%> (-0.63%)	⬇️
lms/lmsweb/views.py	93.05% <94.44%> (+0.06%)	⬆️
lms/lmsdb/models.py	91.36% <100.00%> (+0.09%)	⬆️
lms/models/errors.py	100.00% <100.00%> (ø)
lms/models/users.py	92.59% <100.00%> (+1.28%)	⬆️

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[yammesicka]

Awesome PR! Kudos

[sourcery-ai]

Sourcery Code Quality Report

✅  Merging this PR will increase code quality in the affected files by 0.02%.

Quality metrics	Before	After	Change
Complexity	2.10 ⭐	2.12 ⭐	0.02 👎
Method Length	40.01 ⭐	40.21 ⭐	0.20 👎
Working memory	6.62 🙂	6.59 🙂	-0.03 👍
Quality	80.18% ⭐	80.20% ⭐	0.02% 👍

Other metrics	Before	After	Change
Lines	1999	2074	75

Changed files	Quality Before	Quality After	Quality Change
lms/lmsdb/bootstrap.py	79.29% ⭐	78.97% ⭐	-0.32% 👎
lms/lmsdb/models.py	84.22% ⭐	84.38% ⭐	0.16% 👍
lms/lmsweb/views.py	74.68% 🙂	75.10% ⭐	0.42% 👍
lms/models/errors.py	94.91% ⭐	94.91% ⭐	0.00%
lms/models/users.py	90.65% ⭐	89.57% ⭐	-1.08% 👎
tests/test_registration.py	78.30% ⭐	78.01% ⭐	-0.29% 👎

Here are some functions in these files that still need a tune-up:

File	Function	Complexity	Length	Working Memory	Quality	Recommendation
lms/lmsweb/views.py	comment	13 🙂	202 😞	8 🙂	50.15% 🙂	Try splitting into smaller methods
lms/lmsweb/views.py	view	8 ⭐	140 😞	10 😞	56.16% 🙂	Try splitting into smaller methods. Extract out complex expressions
lms/lmsweb/views.py	login	5 ⭐	129 😞	12 😞	56.69% 🙂	Try splitting into smaller methods. Extract out complex expressions
lms/lmsdb/models.py	Solution._base_next_unchecked	0 ⭐	95 🙂	20 ⛔	57.42% 🙂	Extract out complex expressions
lms/lmsdb/models.py	Solution.of_user	10 🙂	125 😞	9 🙂	58.11% 🙂	Try splitting into smaller methods

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• 🙂 good
• 😞 poor
• ⛔ very poor

The 👍 and 👎 indicate whether the quality has improved or gotten worse with this pull request.

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