dmd, ldc, gdc, dub: add page (#11321)

* dmd: Add page

* dmd: Update page

* ldc: Add page

* gdc: Add page

* dub: Add page

* ldc: Update page

* Update dmd.md

fix lint error

* Update dub.md

fix linter error

* Update gdc.md

fix linter error

* Update ldc.md

fix linter error

* Update pages/linux/dub.md

Co-authored-by: pixel <pixel+github@chrissx.de>

* Update pages/linux/gdc.md

Co-authored-by: pixel <pixel+github@chrissx.de>

* Update dmd.md

* dmd, dub, gdc, ldc: move to common

Signed-off-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

* Update pages/common/dmd.md

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

* Update pages/common/dmd.md

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

* Update pages/common/dub.md

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

* Update pages/common/dub.md

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

* Update pages/common/dub.md

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

* Update pages/common/ldc.md

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

* Update pages/common/ldc.md

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

* Update pages/common/ldc.md

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

* Update pages/common/ldc.md

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

* Update pages/common/ldc.md

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

* Apply suggestions from code review

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

* dmd, dub, gdc, ldc: update pages

Signed-off-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

* dub: fix typo

Signed-off-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

---------

Signed-off-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: pixel <pixel+github@chrissx.de>
Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

pages/common/ldc.md

@@ -0,0 +1,24 @@
+# ldc
+
+> D compiler using LLVM as a backend.
+> More information: <https://wiki.dlang.org/Using_LDC>.
+
+- Compile a source code file into an executable binary:
+
+`ldc2 {{path/to/source.d}} -of={{path/to/output_executable}}`
+
+- Compile the source code file without linking:
+
+`ldc2 -c {{path/to/source.d}}`
+
+- Select the target architecture and OS:
+
+`ldc -mtriple={{architecture_OS}} -c {{path/to/source.d}}`
+
+- Display help:
+
+`ldc2 -h`
+
+- Display complete help:
+
+`ldc2 -help-hidden`