remove node_modules and .gitignore them

node_modules/ext/docs/math/ceil-10.md

@@ -1,10 +0,0 @@
-# `Math.ceil10` _(ext/math/ceil-10)_
-
-Decimal ceil
-
-```javascript
-const ceil10 = require("ext/math/ceil-10");
-
-ceil10(55.51, -1); // 55.6
-ceil10(-59, 1); // -50;
-```

node_modules/ext/docs/math/floor-10.md

@@ -1,10 +0,0 @@
-# `Math.floor10` _(ext/math/floor-10)_
-
-Decimal floor
-
-```javascript
-const floor10 = require("ext/math/floor-10");
-
-floor10(55.59, -1); // 55.5
-floor10(59, 1); // 50
-```

node_modules/ext/docs/math/round-10.md

@@ -1,10 +0,0 @@
-# `Math.round10` _(ext/math/round-10)_
-
-Decimal round
-
-```javascript
-const round10 = require("ext/math/round-10");
-
-round10(55.549, -1); // 55.5
-round10(1.005, -2); // 1.01
-```