Add default color and opacity for documentation and injected, respectively, in the html generator

Author: Nashenas88

crates/ra_ide/src/snapshots/highlight_doctest.html

@@ -5,6 +5,8 @@
 
 .lifetime           { color: #DFAF8F; font-style: italic; }
 .comment            { color: #7F9F7F; }
+.documentation      { color: #00CC00; }
+.injected           { opacity: 0.65 ; }
 .struct, .enum      { color: #7CB8BB; }
 .enum_variant       { color: #BDE0F3; }
 .string_literal     { color: #CC9393; }

crates/ra_ide/src/snapshots/highlight_injection.html

@@ -5,6 +5,8 @@
 
 .lifetime           { color: #DFAF8F; font-style: italic; }
 .comment            { color: #7F9F7F; }
+.documentation      { color: #00CC00; }
+.injected           { opacity: 0.65 ; }
 .struct, .enum      { color: #7CB8BB; }
 .enum_variant       { color: #BDE0F3; }
 .string_literal     { color: #CC9393; }

crates/ra_ide/src/snapshots/highlight_strings.html

@@ -5,6 +5,8 @@
 
 .lifetime           { color: #DFAF8F; font-style: italic; }
 .comment            { color: #7F9F7F; }
+.documentation      { color: #00CC00; }
+.injected           { opacity: 0.65 ; }
 .struct, .enum      { color: #7CB8BB; }
 .enum_variant       { color: #BDE0F3; }
 .string_literal     { color: #CC9393; }

crates/ra_ide/src/snapshots/highlight_unsafe.html

@@ -5,6 +5,8 @@
 
 .lifetime           { color: #DFAF8F; font-style: italic; }
 .comment            { color: #7F9F7F; }
+.documentation      { color: #00CC00; }
+.injected           { opacity: 0.65 ; }
 .struct, .enum      { color: #7CB8BB; }
 .enum_variant       { color: #BDE0F3; }
 .string_literal     { color: #CC9393; }

crates/ra_ide/src/snapshots/highlighting.html

@@ -5,6 +5,8 @@
 
 .lifetime           { color: #DFAF8F; font-style: italic; }
 .comment            { color: #7F9F7F; }
+.documentation      { color: #00CC00; }
+.injected           { opacity: 0.65 ; }
 .struct, .enum      { color: #7CB8BB; }
 .enum_variant       { color: #BDE0F3; }
 .string_literal     { color: #CC9393; }

crates/ra_ide/src/snapshots/rainbow_highlighting.html

@@ -5,6 +5,8 @@
 
 .lifetime           { color: #DFAF8F; font-style: italic; }
 .comment            { color: #7F9F7F; }
+.documentation      { color: #00CC00; }
+.injected           { opacity: 0.65 ; }
 .struct, .enum      { color: #7CB8BB; }
 .enum_variant       { color: #BDE0F3; }
 .string_literal     { color: #CC9393; }

crates/ra_ide/src/syntax_highlighting/html.rs

@@ -64,6 +64,8 @@ pre                 { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
 
 .lifetime           { color: #DFAF8F; font-style: italic; }
 .comment            { color: #7F9F7F; }
+.documentation      { color: #00CC00; }
+.injected           { opacity: 0.65 ; }
 .struct, .enum      { color: #7CB8BB; }
 .enum_variant       { color: #BDE0F3; }
 .string_literal     { color: #CC9393; }