feat: add token resource to viem adapter

[dutterbutter]

What 💻

• Adds token resource to viem adapter

Why ✋

• Reflect latest changes to ethers adapter from feat: add token resource for quick l1-l2 mapping, assetId querying, chain info #22

Evidence 📷

Include screenshots, screen recordings, or console output here demonstrating that your changes work as intended

[github-actions]

ci-run-tests LCOV of commit 21d1d8d during ci-run-tests #63

Summary coverage rate:
  lines......: 85.3% (10614 of 12443 lines)
  functions..: no data found
  branches...: no data found

Files changed coverage rate:
                                                                    |Lines       |Functions  |Branches    
  Filename                                                          |Rate     Num|Rate    Num|Rate     Num
  ========================================================================================================
  src/adapters/__tests__/adapter-harness.ts                         | 0.0%    366|    -     0|    -      0
  src/adapters/ethers/resources/deposits/context.ts                 | 0.0%     37|    -     0|    -      0
  src/adapters/ethers/resources/deposits/index.ts                   | 0.0%    171|    -     0|    -      0
  src/adapters/ethers/resources/tokens/index.ts                     | 0.0%      1|    -     0|    -      0
  src/adapters/ethers/resources/tokens/tokens.ts                    | 0.0%    186|    -     0|    -      0
  src/adapters/ethers/resources/withdrawals/context.ts              | 0.0%     40|    -     0|    -      0
  src/adapters/ethers/resources/withdrawals/index.ts                | 0.0%    227|    -     0|    -      0
  src/adapters/ethers/sdk.ts                                        | 0.0%     14|    -     0|    -      0
  src/adapters/viem/e2e/erc20.e2e.ts                                | 0.0%    128|    -     0|    -      0
  src/adapters/viem/resources/deposits/context.ts                   | 0.0%     37|    -     0|    -      0
  src/adapters/viem/resources/deposits/index.ts                     | 0.0%    214|    -     0|    -      0
  src/adapters/viem/resources/deposits/routes/erc20-base.ts         | 0.0%    163|    -     0|    -      0
  src/adapters/viem/resources/deposits/routes/erc20-nonbase.ts      | 0.0%    235|    -     0|    -      0
  src/adapters/viem/resources/deposits/routes/eth-nonbase.ts        | 0.0%     14|    -     0|    -      0
  src/adapters/viem/resources/deposits/services/gas.ts              | 0.0%     47|    -     0|    -      0
  src/adapters/viem/resources/tokens/index.ts                       | 0.0%      1|    -     0|    -      0
  src/adapters/viem/resources/tokens/tokens.ts                      | 0.0%    183|    -     0|    -      0
  src/adapters/viem/resources/withdrawals/context.ts                | 0.0%     39|    -     0|    -      0
  src/adapters/viem/resources/withdrawals/index.ts                  | 0.0%    261|    -     0|    -      0
  src/adapters/viem/resources/withdrawals/routes/erc20-nonbase.ts   | 0.0%    172|    -     0|    -      0
  src/adapters/viem/sdk.ts                                          | 0.0%     14|    -     0|    -      0
  src/core/utils/addr.ts                                            | 0.0%     19|    -     0|    -      0

Full coverage report