wiki: Added a short explainer on optimistic and zk rollups

[pbkompasz]

Scaling article

Rewrote a sentence on scaling
Closed TODOs by adding a short explainer on zk and optimsistic rollups.

[github-actions]

Hi @pbkompasz,

⚠️ Potential typos found in your pull request:

• 📄 ./docs/eps/intro.md (line(s) 102):
  1. ❌ Karim

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ℹ️ Checking for typos locally

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for f in **/*.md ; do echo $f ; aspell --lang=en_US --mode=markdown --home-dir=. --personal=wordlist.txt --ignore-case=true --camel-case --add-sgml-skip nospellcheck list < $f | sort | uniq -c ; done

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[taxmeifyoucan]

I think it's good enough for a brief intro to rollups. Apart from blobs, we don't need more details

[github-actions]

Hi @pbkompasz,

⚠️ Potential typos found in your pull request:

• 📄 ./docs/eps/intro.md (line(s) 102):
  1. ❌ Karim

ℹ️ How to fix this error:

1. If these are actual typos:

   • Open the files at the specified line numbers and fix them

2. If these are names or one-off nouns:

   • Wrap them in <name> tags
   • Example: <name>Alex Pereira</name>
   • Use this for people's names or unique terms that appear rarely

3. If these are valid terms:

   • Add them to wordlist.txt (one word per line)
   • Terms must be plain text without spaces/special chars
   • The list is case-insensitive

4. If these are code terms:

   • Wrap them in backticks (`) in your markdown

ℹ️ Checking for typos locally

1. Install aspell for your platform
2. Navigate to project root and run:

for f in **/*.md ; do echo $f ; aspell --lang=en_US --mode=markdown --home-dir=. --personal=wordlist.txt --ignore-case=true --camel-case --add-sgml-skip nospellcheck list < $f | sort | uniq -c ; done

Learn more about wordlist format

[pbkompasz]

@taxmeifyoucan I added a line about blobs and danksharding w/ a link to the section about EIP-4844.