corrected some bugs in documentation, added stringlist to index.md

Author: aman-godara

doc/specs/index.md

@@ -26,6 +26,7 @@ This is and index/directory of the specifications (specs) for each new module/fe
  - [stats_distribution_PRNG](./stdlib_stats_distribution_PRNG.html) - Probability Distributions random number generator
  - [string\_type](./stdlib_string_type.html) - Basic string support
  - [strings](./stdlib_strings.html) - String handling and manipulation routines
+ - [stringlist](./stdlib_stringlist.html) - 1-Dimensional list of strings
 
 ## Released/Stable Features & Modules
 

doc/specs/stdlib_stringlist.md

@@ -47,8 +47,8 @@ Experimental
 
 #### Syntax
 
-For fidx: `res = [[stdlib_stringlist(module):fidx()]] (idx)`  
-For bidx: `res = [[stdlib_stringlist(module):bidx()]] (idx)`
+For fidx: `res = [[stdlib_stringlist(module):fidx()]] (idx)`.  
+For bidx: `res = [[stdlib_stringlist(module):bidx()]] (idx)`.
 
 #### Status
 
@@ -106,8 +106,9 @@ With argument: Initializes a stringlist equivalent to the input array `array` i.
 
 #### Syntax
 
-No arguments given: `res = [[stdlib_stringlist(module):stringlist_type(interface)]] ()`
-With argument: `res = [[stdlib_stringlist(module):stringlist_type(interface)]] (array)`
+- No arguments given: `res = [[stdlib_stringlist(module):stringlist_type(interface)]] ()`
+
+- With argument: `res = [[stdlib_stringlist(module):stringlist_type(interface)]] (array)`
 
 #### Status
 
@@ -119,10 +120,11 @@ Pure function.
 
 #### Argument
 
-No arguments.
+1). No arguments.
 
-With argument: - `array`: array of Character scalar or array of [[stdlib_string_type(module):string_type(type)]].  
-                This argument is intent(in).
+2). With argument:
+- `array`: array of Character scalar or array of [[stdlib_string_type(module):string_type(type)]]. 
+This argument is intent(in).
 
 #### Result value