fix(tutorial): update relative URL to preact-cli

[d2s]

• Update relative URL to preact-cli page
  • URL was missing / character from the beginning, causing missing page error

[size-plugin]

Size report for the changes in this PR:

size-plugin-ssr Overall size: 208 kB

    editor.chunk.*****.js ⏤  65.9 kB
     emoji.chunk.*****.js ⏤  8.83 kB
    runner.chunk.*****.js ⏤  5.86 kB
            ssr-bundle.js ⏤  28.6 kB
   editor.chunk.7a736.css ⏤  3.17 kB
 markdown.c3d26.worker.js ⏤  9.56 kB
    prism.e82c3.worker.js ⏤  7.24 kB
     repl.51501.worker.js ⏤  68.5 kB
     ssr-bundle.ac3c8.css ⏤  10.9 kB

commit: 0a4ae78

[size-plugin]

Size report for the changes in this PR:

size-plugin-browser Overall size: 395 kB

                 sw-esm.js ⏤  682 B
                     sw.js ⏤  678 B
  emoji.chunk.91398.esm.js ⏤  8.85 kB
    polyfills.6a525.esm.js ⏤  2.13 kB
      emoji.chunk.1ed91.js ⏤  8.85 kB
        polyfills.3233a.js ⏤  2.12 kB
    editor.chunk.7a736.css ⏤  2.15 kB
 editor.chunk.fa6b3.esm.js ⏤  66.3 kB
         5.chunk.bc319.css ⏤  1.47 kB
      5.chunk.95a73.esm.js ⏤  3.39 kB
     editor.chunk.e0251.js ⏤  66.4 kB
          5.chunk.b2018.js ⏤  3.45 kB
          bundle.c6f3d.css ⏤  9.11 kB
     prism.d329b.worker.js ⏤  7.32 kB
  markdown.6af7e.worker.js ⏤  9.66 kB
      repl.bfeb7.worker.js ⏤  66.7 kB
       bundle.6ee5f.esm.js ⏤  22.9 kB
 runner.chunk.097ea.esm.js ⏤  5.79 kB
  markdown.d9ce1.worker.js ⏤  9.66 kB
      repl.6e676.worker.js ⏤  68.1 kB
           bundle.31633.js ⏤  23.2 kB
     runner.chunk.50868.js ⏤  5.83 kB

commit: 0a4ae78

[marvinhagemeister]

Good catch 👍 Thank you so much for your PR 🎉