Add Tangle DApp usage guides: bridging, liquid staking, and restaking

[yurixander]

Summary of changes

Provide a detailed description of proposed changes.

• Added screenshots & Tangle Dapp usage guides for creating liquid staking pools.
• Added screenshots & Tangle Dapp usage guides for joining liquid staking pools.
• Added screenshots & Tangle Dapp usage guides for restaking flows.
• Added screenshots & Tangle Dapp usage guides for bridge usage.
• Fixed some typos across the doc pages.
• Optimized images by using lossy compression which significantly improves loading speeds for lower-bandwidth users.
• Organized all images into the public folder as suggested by Drew.
• Minor improvements across some other unrelated pages where I noticed.
• Fixed reported dead links.

Proposed area of change

Put an x in the boxes that apply.

• Overview
• Anchor System
• dApps
• Tangle
• Protocols
• Relayers

Reference issue to close (if applicable)

Specify any issues that can be closed from these changes (e.g. Closes #233).

• Closes [TASK] Document flows: liquid staking, restaking, and bridge #63
• Closes [BUG] Multiple dead links leading to 404s #72
• Closes [BUG] Broken Link for Service Operators #60

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Code Checklist

• I have tested that prove my changes are working as intended
• I have added necessary documentation (if appropriate)

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[drewstone]

Looks good, lots of TODOs left. I think this is all possible in a days work. Please let me know if you need to pair to push things forward.

[drewstone]

IMO we should be expanding Bridge docs into Resources section instead of Restaking. Everything specific to restaking should be found there, which bridging is not directly. User focused tooling / resources should be in resources IMO.

[yurixander]

IMO we should be expanding Bridge docs into Resources section instead of Restaking. Everything specific to restaking should be found there, which bridging is not directly. User focused tooling / resources should be in resources IMO.

@drewstone I thought the (current) primary purpose of the bridge is to bridge in assets for use within restaking?