User Section Restructure and Outdated Translation Cleanup (#744)

* User Section Overhaul

 Summary of Changes

Restructured User Section:

The section is now split into two clear parts:

- Get Started: Guides for onboarding with Substrate and EVM wallets.
- How-to Guides: Covers usage of Portal, dApp Staking, Governance, Bridges, and more.

Removed Outdated Translations:

Japanese, Spanish, and Polish documentation has been removed due to being outdated and no longer maintained.

Link & Navigation Cleanup:

All internal page links and redirects have been reviewed and updated.

Navigation flow is fully functional.

Removed Duplicate Content:

Duplicate and redundant pages were identified and removed to reduce clutter and confusion.

* Update dApp Staking docs

Update the dApp Staking documentation to include support for Soneium, Ethereum, and Polkadot.

* Update package.json

Author: Gunit2481

docs/build/dapp-staking/index.md

@@ -7,8 +7,8 @@ sidebar_position: 5
 All content relating to dApp Staking has been moved to other sections of the documentation:
 
 - For general and technical documentation on dApp Staking, refer to [dApp Staking](/docs/learn/dapp-staking/) in the Learn section ;
-- For Stakers, refer to [dApp Staking for stakers](/docs/use/dapp-staking/for-stakers/) in the Use section;
-- For projects looking to join the dApp Staking program, refer to [dApp Staking for devs](/docs/use/dapp-staking/for-devs/) in the Use section;
+- For Stakers, refer to [dApp Staking for stakers](/docs/use/how-to-guides/layer-1/dapp-staking/for-stakers/) in the Use section;
+- For projects looking to join the dApp Staking program, refer to [dApp Staking for devs](/docs/use/how-to-guides/layer-1/dapp-staking/for-devs/) in the Use section;
 
 If you are interested in developing on top of dApp Staking and integrating dApp Staking into your project, please refer to the section below:
 

docs/build/index.md

@@ -17,7 +17,7 @@ Astar is a interoperable smart contract platform providing native access to both
 ✅ Global Standard NFT Marketplace & DEX (Dew, Rarible, Quickswap) <br/>
 
 ## Build2Earn
-Astar network's innovative Build2Earn program allows developers to earn a basic income while they build out their products and communities. Users are able to support projects by staking on them, which adds to the passive income developers earn and forms the basis of an *unstoppable grant*. Build2Earn encourages projects to stand out and provide value directly to end-users. See the [dApp staking section](/docs/use/dapp-staking/) for more information.
+Astar network's innovative Build2Earn program allows developers to earn a basic income while they build out their products and communities. Users are able to support projects by staking on them, which adds to the passive income developers earn and forms the basis of an *unstoppable grant*. Build2Earn encourages projects to stand out and provide value directly to end-users. See the [dApp staking section](/docs/use/how-to-guides/layer-1/dapp-staking/) for more information.
 
 ## Wasm smart contracts
 See the [Wasm chapter](/docs/build/wasm) for more information.