[feat]: move token authentication to the network layer

[themanforfree]

Please briefly answer these questions: based on #645

• what problem are you trying to solve? (or if there's no problem, what's the motivation for this change?) move token authentication to the network layer
• what changes does this pull request make? move token authentication to the network layer
• are there any non-obvious implications of these changes? (does it break compatibility with previous versions, etc) no

[codecov[bot]]

Codecov Report

Attention: 99 lines in your changes are missing coverage. Please review.

Comparison is base (f74fbda) 74.50% compared to head (be490b9) 74.38%. Report is 1 commits behind head on master.

Files	Patch %	Lines
crates/xline/src/server/kv_server.rs	31.70%	23 Missing and 5 partials :warning:
crates/xline/src/server/lock_server.rs	8.00%	23 Missing :warning:
crates/xline/src/storage/auth_store/store.rs	86.90%	11 Missing :warning:
crates/curp/src/client/tests.rs	91.48%	8 Missing :warning:
crates/xline-client/src/clients/kv.rs	81.48%	0 Missing and 5 partials :warning:
crates/xline/src/storage/compact/mod.rs	0.00%	4 Missing :warning:
crates/curp/src/rpc/connect.rs	57.14%	1 Missing and 2 partials :warning:
crates/xline-client/src/clients/auth.rs	71.42%	0 Missing and 2 partials :warning:
crates/xline-client/src/clients/lease.rs	83.33%	0 Missing and 2 partials :warning:
crates/xline/src/server/auth_server.rs	75.00%	1 Missing and 1 partial :warning:
... and 7 more

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #648 +/- ## ========================================== - Coverage 74.50% 74.38% -0.12% ========================================== Files 170 170 Lines 24827 24834 +7 Branches 24827 24834 +7 ========================================== - Hits 18497 18474 -23 - Misses 5188 5220 +32 + Partials 1142 1140 -2 ```

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