feature: dictionary improvements

[apttx]

• [ ] remove the dictionary page for now https://github.com/apttx/cantonese-dictionary/issues/64#issuecomment-1991308671

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pagination doesn't really makes sense here. what we want is navigation by roman letter or chinese character. this could be done through a tab-like navigation. not sure how this would work for chinese characters, but i should start with the roman alphabet

• [ ] add tab navigation to dictionary page with 1 tab for each letter in the roman alphabet
• [ ] only load phrases that start with the respective letter in each tab

[apttx]

it feels like a browsable dictionary doesn't make too much sense. nobody is ever going to browse 20k+ terms to find one. that's what the search is for; i should prioritize good search results first, and add this for completeness later.