Merge pull request #202 from yash2798/ys/method_defn

Splitting the methods based on problem type for SimpleNonlinearSolve docs

Author: ChrisRackauckas

docs/src/api/simplenonlinearsolve.md

@@ -4,17 +4,28 @@ These methods can be used independently of the rest of NonlinearSolve.jl
 
 ## Solver API
 
+### Interval Methods
+
+These methods are suited for interval (scalar) root-finding problems, i.e. `IntervalNonlinearProblem`.
+
 ```@docs
-Bisection
 ITP
+Bisection
 Falsi
+Ridder
+Brent
+```
+
+### General Methods
+
+These methods are suited for any general nonlinear root-finding problem , i.e. `NonlinearProblem`.
+
+```@docs
 SimpleNewtonRaphson
 Broyden
 Halley
 Klement
 SimpleTrustRegion
-Ridder
-Brent
 SimpleDFSane
 LBroyden
 ```