Add theorem environments snippets to latex

These environments are only valid as long as the user defined them,
using \newtheorem{theorem}, \newtheorem{lemma}... and as such I've given
them the 'theorem' group.

Author: ymarco

latex-mode/axiom

@@ -0,0 +1,8 @@
+# -*- mode: snippet -*-
+# name: axiom
+# key: axm
+# group: theorems
+# --
+\begin{axiom}
+`%`$0
+\end{axiom}

latex-mode/corollary

@@ -0,0 +1,8 @@
+# -*- mode: snippet -*-
+# name: corollary
+# key: clr
+# group: theorems
+# --
+\begin{corollary}
+`%`$0
+\end{corollary}

latex-mode/definition

@@ -0,0 +1,8 @@
+# -*- mode: snippet -*-
+# name: definition
+# key: def
+# group: theorems
+# --
+\begin{definition}
+`%`$0
+\end{definition}

latex-mode/exercise

@@ -0,0 +1,8 @@
+# -*- mode: snippet -*-
+# name: exercise
+# key: exc
+# group: theorems
+# --
+\begin{exercise}
+`%`$0
+\end{exercise}

latex-mode/lemma

@@ -0,0 +1,8 @@
+# -*- mode: snippet -*-
+# name: lemma
+# key: lmm
+# group: theorems
+# --
+\begin{lemma}
+`%`$0
+\end{lemma}

latex-mode/proof

@@ -0,0 +1,8 @@
+# -*- mode: snippet -*-
+# name: proof
+# key: prf
+# group: theorems
+# --
+\begin{proof}
+`%`$0
+\end{proof}

latex-mode/remark

@@ -0,0 +1,8 @@
+# -*- mode: snippet -*-
+# name: remark
+# key: rmk
+# group: theorems
+# --
+\begin{remark}
+`%`$0
+\end{remark}

latex-mode/theorem

@@ -0,0 +1,8 @@
+# -*- mode: snippet -*-
+# name: theorem
+# key: thm
+# group: theorems
+# --
+\begin{theorem}
+`%`$0
+\end{theorem}