已知数列\(\{a _{n} \}\)满足\(a _{1} =1\)，\(a _{n} = \sqrt {3}a_{n-1}+ \sqrt {3}-1(n\geqslant 2,n∈N^{*})\)，\(b _{n} =a _{n} +1\)．
\((\)Ⅰ\()\)求证：数列\(\{b _{n} \}\)是等比数列；
\((\)Ⅱ\()\)已知\(c _{n} = \dfrac {2a_{n}}{[2( \sqrt {3})^{n-1}-1](2n-1)(2n+1)}\)，求数列\(\{c _{n} \}\)的前\(n\)项和\(T _{n}\)．