Move `createSession` and `readSession` to session stores

[LoicPoullain]

Issue

These functions independent are a bit weird. It would make senses to make them part of the session stores.

Solution and steps

• [x] Make these methods part of the session stores.

Breaking changes and new features

// Before
readSession(this.store);
createSession(this.store);
// After
this.store.readSession();
this.store.createSession();

Checklist

• [x] Add/update/check docs (code comments and docs/ folder).
• [x] Add/update/check tests.
• [x] Update/check the cli generators.

[codecov-commenter]

Codecov Report

Merging #1145 (d61befe) into v3-0-0 (29eb5b5) will increase coverage by 0.02%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           v3-0-0    #1145      +/-   ##
==========================================
+ Coverage   98.84%   98.86%   +0.02%     
==========================================
  Files          93       98       +5     
  Lines        1648     1769     +121     
  Branches      382      420      +38     
==========================================
+ Hits         1629     1749     +120     
- Misses         19       20       +1     

Impacted Files	Coverage Δ
packages/core/src/index.ts	0.00% <ø> (ø)
packages/core/src/sessions/core/index.ts	100.00% <ø> (ø)
...core/src/sessions/http/utils/check-user-id-type.ts	100.00% <ø> (ø)
packages/core/src/sessions/core/session-store.ts	95.45% <100.00%> (+9.74%)	:arrow_up:
...ckages/core/src/sessions/http/use-sessions.hook.ts	98.66% <100.00%> (ø)
...sessions/http/utils/get-session-id-from-request.ts	100.00% <100.00%> (ø)
packages/core/src/sessions/http/utils/index.ts	100.00% <100.00%> (ø)
...sessions/http/utils/get-csrf-token-from-request.ts	100.00% <0.00%> (ø)
... and 4 more

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