Add various snippets for org-mode (#260)

* Add various snippets for org-mode

* Remove readme and sourcecode and fix typos

* Remove reveal_all and edit table snippet

Author: neymarsabin

snippets/org-mode/HTML

@@ -0,0 +1,5 @@
+# -*- mode: snippet -*-
+# name: HTML
+# key: <HT
+# --
+#+HTML:$1

snippets/org-mode/author

@@ -0,0 +1,5 @@
+# -*- mode: snippet -*-
+# name: author
+# key: <au
+# --
+#+AUTHOR: $1

snippets/org-mode/center

@@ -0,0 +1,7 @@
+# -*- mode: snippet -*-
+# name: center
+# key: <c
+# --
+#+BEGIN_CENTER
+$0
+#+END_CENTER

snippets/org-mode/date

@@ -0,0 +1,5 @@
+# -*- mode: snippet -*-
+# name: date
+# key: <da
+# --
+#+DATE: ${1:Year}:${2:month}:${3:day}

snippets/org-mode/description

@@ -0,0 +1,5 @@
+# -*- mode: snippet -*-
+# name: description
+# key: desc
+# --
+#+DESCRIPTION: ${1:description of your org-mode file}

snippets/org-mode/email

@@ -0,0 +1,5 @@
+# -*- mode: snippet -*-
+# name: email
+# key: <em
+# --
+#+EMAIL: $1

snippets/org-mode/exampleblock

@@ -0,0 +1,8 @@
+# -*- mode: snippet -*-
+# name: example
+# key: <e
+# --
+#+BEGIN_EXAMPLE
+$0
+#+END_EXAMPLE
+

snippets/org-mode/export

@@ -0,0 +1,7 @@
+# -*- mode: snippet -*-
+# name: export
+# key: <ex
+# --
+#+BEGIN_EXPORT ${1:type}
+$0
+#+END_EXPORT

snippets/org-mode/html

@@ -0,0 +1,7 @@
+# -*- mode: snippet -*-
+# name: html
+# key: <ht
+# --
+#+BEGIN_HTML
+$0
+#+END_HTML

snippets/org-mode/images

@@ -0,0 +1,7 @@
+# -*- mode: snippet -*-
+# name: images
+# key: <im
+# --
+#+caption: ${1:caption of the image}
+[[file:${2:image_path}]$0
+