Add content in equality algorithms to JavaScript roadmap (#1977)

* Updated isLooselyEqual operator

Updated isLooselyEqual operator

* Updated strictly equal operator

Updated strictly equal operator

* Updated Same Value

Updated Same Value

* Updated Same Valued Zero

Updated Same Valued Zero

* Update content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/100-is-loosely-equal.md

* Update content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/101-is-strictly-equal.md

* Update content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/103-same-value.md

Co-authored-by: Kamran Ahmed <kamranahmed.se@gmail.com>

content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/100-is-loosely-equal.md

@@ -1 +1,7 @@
-# Is loosely equal
+# isLooselyEqual
+
+[isLooselyEqual](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Equality) checks whether its two operands are equal, returning a `Boolean` result. It attempts to convert and compare operands that are of different types.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Equality'> Loosely Equality (==) Operator</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://javascript.info/comparison'>Comparsion - javascript.info</BadgeLink>

content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/101-is-strictly-equal.md

@@ -1 +1,7 @@
-# Is strictly equal
+# isStrictlyEqual
+
+[isStrictlyEqual](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Strict_equality) checks whether its two operands are equal, returning a `Boolean` result. It always considers operands of different types to be different.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Strict_equality'> Strictly Equality (===) Operator</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://javascript.info/comparison'>Comparsion - javascript.info</BadgeLink>

content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/102-same-value-zero.md

@@ -1 +1,6 @@
-# Same value zero
+# Same value zero
+
+[SameValueZero](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Equality_comparisons_and_sameness#same-value-zero_equality) equality determines whether two values are functionally identical in all contexts with +0 and -0 are also considered equal.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Equality_comparisons_and_sameness#same-value-zero_equality'> Same-value-zero equality</BadgeLink>

content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/103-same-value.md

@@ -1 +1,6 @@
-# Same value
+# Same value
+
+[SameValue](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Equality_comparisons_and_sameness#same-value_equality_using_object.is) equality determines whether two values are functionally identical in all contexts.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Equality_comparisons_and_sameness#same-value_equality_using_object.is'> Same-value equality using Object.is()</BadgeLink>