Put Storages index set on separate line

doc/source/frameworks/technologies.rst

@@ -213,6 +213,10 @@ oemof.tabular
 
 .. math::
 
-        {0 = \epsilon^{con}_{y,r,g,t} - \epsilon^{con}_{y,r,g,t-1} \cdot (1 - \gamma^{loss,con}_{y,r,g}) - \epsilon^{in}_{y,r,g,t} \cdot \gamma^{in}_{y,r,g} + \epsilon^{out}_{y,r,g,t} \cdot \gamma^{out}_{y,r,g}}  \forall y \in Y, r\in R, g\in G, t\in T > 0
+  & {\epsilon^{con}_{y,r,g,t} = \epsilon^{con}_{y,r,g,t-1} \cdot (1 - \gamma^{loss,con}_{y,r,g}) + \epsilon^{in}_{y,r,g,t} \cdot \gamma^{in}_{y,r,g} - \epsilon^{out}_{y,r,g,t} \cdot \gamma^{out}_{y,r,g}}
+  \\
+  \forall y \in Y, r\in R, g\in G, t\in T > 0
 
-        {\epsilon^{con}_{y,r,g,t0} = \epsilon^{con}_{y,r,g,t-1}} \forall y \in Y, r\in R, g\in G, t\in T
+  & {\epsilon^{con}_{y,r,g,t0} = \epsilon^{con}_{y,r,g,t-1}}
+  \\
+  \forall y \in Y, r\in R, g\in G, t\in T > 0