Validate Misskey URL

Stop webpack on URL error, otherwise gulp continues

$ webpack && gulp build
「dont.know.yet」は、正しいURLではありません。先頭に http:// または https:// をつけ忘れてないかなど確認してください。
[00:28:15] Requiring external module ts-node/register
/**
node-macaddress: Unkown os.platform(), defaulting to `unix'.
Error: Cannot find module './built/client/meta.json'
    at Function.Module._resolveFilename (module.js:543:15)
    at Function.Module._load (module.js:470:25)
    at Module.require (module.js:593:17)
    at require (internal/module.js:11:18)
/**
 * Config loader
    at Object.<anonymous> (/usr/home/saper/sw/misskey/gulpfile.ts:24:16)
    at Module._compile (module.js:649:30)
    at Module.m._compile (/usr/home/saper/sw/misskey/node_modules/ts-node/src/index.ts:402:23)
    at Module._extensions..js (module.js:660:10)
    at Object.require.extensions.(anonymous function) [as .ts] (/usr/home/saper/sw/misskey/node_modules/ts-node/src/index.ts:405:12)
    at Module.load (module.js:561:32)
error Command failed with exit code 1.

Use delete[] after new[]

gmake: Wejście do katalogu '/usr/home/saper/sw/misskey/build'
  CXX(target) Release/obj.target/crypto_key/src/crypto_key.o
../src/crypto_key.cc:25:3: warning: 'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?
      [-Wmismatched-new-delete]
                delete sourceBuf;
                ^
                      []
../src/crypto_key.cc:18:25: note: allocated with 'new[]' here
        const auto sourceBuf = new char[sourceLength];
                               ^
../src/crypto_key.cc:32:2: warning: 'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?
      [-Wmismatched-new-delete]
        delete sourceBuf;
        ^
              []
../src/crypto_key.cc:18:25: note: allocated with 'new[]' here
        const auto sourceBuf = new char[sourceLength];
                               ^
2 warnings generated.

update license tip

Fix url preview

Fix list load-more is not working