[SvelteKit] Add-On Pages

[allanlasser]

This adds an add-ons browser at /app/add-ons, and stubs individual add-on pages at /app/add-ons/[owner]/[repo].

[netlify[bot]]

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Coverage Report

Status	Category	Percentage	Covered / Total
🔵	Lines	34.31%	2248 / 6551
🔵	Statements	34.31%	2248 / 6551
🔵	Functions	24.13%	35 / 145
🔵	Branches	42.37%	75 / 177

File Coverage

File	Stmts	% Branch	% Funcs	% Lines	Uncovered Lines
Changed Files
src/lib/api/addons.ts	100%	100%	100%	100%
src/lib/components/ContentLayout.svelte	0%	0%	0%	0%	1-51
src/lib/components/addons/AddOnListItem.svelte	0%	0%	0%	0%	1-125
src/lib/components/addons/AddOnsNavigation.svelte	0%	0%	0%	0%	1-66
src/lib/components/common/Empty.svelte	100%	100%	100%	100%
src/lib/components/common/Tip.svelte	0%	0%	0%	0%	1-28
src/lib/components/sidebar/SidebarItem.svelte	0%	0%	0%	0%	1-101
src/routes/app/+layout.svelte	0%	0%	0%	0%	1-9
src/routes/app/+page.svelte	0%	0%	0%	0%	1-109
src/routes/app/+page.ts	0%	0%	0%	0%	1-35
src/routes/app/add-ons/+layout.ts	0%	0%	0%	0%	1-10
src/routes/app/add-ons/+page.svelte	0%	0%	0%	0%	1-133
src/routes/app/add-ons/+page.ts	0%	0%	0%	0%	1-9
src/routes/app/add-ons/[owner]/[repo]/+layout.ts	0%	0%	0%	0%	1-18
src/routes/app/add-ons/[owner]/[repo]/+page.svelte	0%	0%	0%	0%	1-11
src/routes/app/sidebar/AddOns.svelte	0%	0%	0%	0%	1-36

Generated in workflow #48